... mandrel fracture detection device.3, The new LG60-H singlet long stroke cold rolling mill: single-feed dual rotary side feeding gap ... control with the mandrel fracture detection device.6, LG60-H cold rolling mill of singlet long stroke: single-feed dual rotary side ... cold rolling mill: LG30-H, LG30-H, LG30-2H, LG30-2HL, LG60-H, LG60-HL, LG60-2H, LG60-2HL, LG120-H, LG120-HL, LG180-H, LG280-H, LG450-H ...